$("body").children().hide();
$("body").css("background-color","#f5f5f5");
$("body").prepend('<div id="main-container" class="container"></div>');
$("#main-container").append('<h2 class="text-center">Oauth2 测试 token <h2>')
$("#main-container").append('<label for="comment">授权码:</label>')
$("#main-container").append('<p id="show-code" class="pb-3 mb-2 small lh-sm border-bottom"></p>')
$("#main-container").append('<label for="comment">令牌:</label>')
$("#main-container").append('<p id="show-token" class="pb-3 mb-2 small lh-sm border-bottom"></p>')
$("#main-container").append('<button id="get-token-btn" type="button" class="w-100 btn btn-lg btn-primary btn-block">通过授权码申请令牌</button>');

